Combustion system having an emission control device

• US 20030234011A1
• Filed: 05/05/2003
• Published: 12/25/2003
• Est. Priority Date: 05/03/2002
• Status: Active Grant

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Schiller, Christian, Breuer, Norbert, Oediger, Christelle
• Granted Patent: US 6,871,491 B2
• Time in Patent Office: Days
• US Class Current: 123/575
• CPC Class Codes: B01D 53/9431 Processes characterised by a specific device
• CPC Class Codes: C01B 2203/066 with fuel cells
• CPC Class Codes: C01B 3/02 Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
• CPC Class Codes: C01C 1/08 Preparation of ammonia from nitrogenous organic substances
• CPC Class Codes: C01C 1/086 from urea
• CPC Class Codes: F01N 2240/14 a fuel burner
• CPC Class Codes: F01N 2240/25 an ammonia generator
• CPC Class Codes: F01N 2240/30 a fuel reformer
• CPC Class Codes: F01N 2240/40 a hydrolysis catalyst
• CPC Class Codes: F01N 2610/02 the substance being ammonia or urea
• CPC Class Codes: F01N 2610/03 the substance being hydrocarbons, e.g. engine fuel
• CPC Class Codes: F01N 2610/04 the substance being hydrogen
• CPC Class Codes: F01N 2610/10 the substance being heated, e.g. by heating tank or supply line of the added substance
• CPC Class Codes: F01N 2610/14 Arrangements for the supply of substances, e.g. conduits
• CPC Class Codes: F01N 3/00 Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust electric control F01N9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00 ; collecting or removing exhaust gases of vehicle engines in workshops B08B15/00, on highways E01C1/005
• CPC Class Codes: F01N 3/2066 Selective catalytic reduction [SCR]
• CPC Class Codes: H01M 2250/20 Fuel cells in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: H01M 2250/407 Combination of fuel cells with mechanical energy generators
• CPC Class Codes: H01M 8/0606 with means for production of gaseous reactants
• CPC Class Codes: H01M 8/222 Fuel cells in which the fuel is based on compounds containing nitrogen, e.g. hydrazine, ammonia
• CPC Class Codes: Y02A 50/20 : Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
• CPC Class Codes: Y02E 60/50 : Fuel cells
• CPC Class Codes: Y02T 10/12 : Improving ICE efficiencies
• CPC Class Codes: Y02T 90/40 : Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

A combustion system is for generating energy by the combustion of a fuel, using a combustion device, such as, for example, a gasoline or diesel engine. An emission control system is provided for converting exhaust gas components using an automotive fluid, by the use of which energy, that is relatively environmentally protective and made available for varied applications. At least one hydrogen generating unit is provided for converting the automotive fluid at least partially into an hydrogen-containing fuel.

Claims

1. A combustion system for generating energy by combustion of a fuel, comprising:

a combustion device;

an emission control system configured to convert exhaust gas components by an automotive fluid; and

at least one hydrogen generating unit configured to convert the automotive fluid at least partially into a hydrogen-containing fuel.

2. The combustion system according to claim 1, wherein the combustion device includes at least one of a gasoline engine and a diesel engine.

3. The combustion system according to claim 1, further comprising at least one hydrogen utilization unit configured to utilize the hydrogen-containing fuel.

4. The combustion system according to claim 3, wherein the one hydrogen utilization unit is configured as a fuel cell system configured to generate electric energy.

5. The combustion system according to claim 1, wherein the automotive fluid at least partially includes ammonia.

6. The combustion system according to claim 1, further comprising at least one automotive fluid generating unit configured to generate the automotive fluid from a starting substance.

7. The combustion system according to claim 1, wherein the automotive fluid is at least partially convertible to ammonia.

8. The combustion system according to claim 7, wherein the starting substance includes at least one of a urea-water solution, urea, ammonium carbamate and isocyanic acid.

9. The combustion system according to claim 7, further comprising at least one storage device configured to store the starting substance.

10. The combustion system according to claim 1, further comprising at least one metering element configured to meter the automotive fluid to at least one of the emission control system and the hydrogen generating unit.

11. The combustion system according to claim 1, wherein the hydrogen generating unit includes at least one heating device configured to heat the automotive fluid.

12. The combustion system according to claim 4, wherein the fuel cell system is arranged upstream from the emission control system in a flow direction of one of the automotive fluid and the fuel.

13. The combustion system according to claim 3, wherein the hydrogen utilization unit includes a separate combustion engine configured to combust the hydrogen-containing fuel.

14. The combustion system according to claim 3, wherein the hydrogen utilization unit includes the combustion device.

15. A vehicle, comprising:

a combustion system configured to generate energy by combustion of a fuel, the system including;

a combustion device;

an emission control system configured to convert exhaust gas components by an automotive fluid; and

at least one hydrogen generating unit configured to convert the automotive fluid at least partially into a hydrogen-containing fuel.

16. The vehicle of claim 15, wherein the vehicle is configured as a motor vehicle.